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ntopng vs Sniffnet: catalog facts
ntopng	Sniffnet
Freemium Licensed editions are sold by ntop, listed as models on the product page.	Free Free and open source under the Apache 2.0 licence, funded by sponsorship.
Windows, macOS, Linux, Self-hosted	Windows, macOS, Linux
Application detection powered by nDPI Real-time and historical traffic in a web interface	Readable charts and per-host statistics rather than a packet list Exports to PCAP so Wireshark can take over for the detail
Some features need a paid licence Needs a mirror port, TAP or flow exporter to see network traffic	Needs packet capture drivers installed, such as Npcap on Windows Not a substitute for Wireshark when you need packet-level detail
Downloadable app, Self-hosted	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.